A New Brunswick biochemist says fish and humans have something in common — and it could change how we look at promoting heart health. He discovered this while studying cuttlefish in Portugal and found they have a lot of taurine in their bloodstreams and hearts. MacCormack manipulates their diet and monitors their heart rate with the help of swim tunnel respirometers. MacCormack and his team are currently using swim tunnel respirometers to understand the impact that a change in diet can have on fish heart health. (Pierre Fournier/CBC )He said this research could also help provide a solution to help fish cope through rising water temperatures because of climate change.

Source: CBC News December 28, 2025 07:59 UTC